Sitting in her office that’s into an offbeat sort of detective work, Taralika Lahiri recalls a two-year-old case where a woman suspected her fiancé to be gay. “I made a Facebook profile of a man and approached him over chat line. He would like me to talk to him late into the night. The nature of the conversations revealed he was homosexual,” says the veteran, who heads National Detectives and Corporate Consultants.